`nullmx.nbrook.com`

DNSSEC	⚠️ Not signed
A	79.170.40.242^{🇬🇧 GD-EMEA-DC-LD579.170.40.0/21 Heart Internet Limited}
		PTR	`web242.extendcp.co.uk`
MX	`mail.nbrook.com` ⭐
		A	79.170.44.47^{🇬🇧 GD-EMEA-DC-LD579.170.40.0/21 Heart Internet Limited}
			PTR	`mail47.extendcp.co.uk`

`nbrook.com`

	DNSSEC	⚠️ Not signed
	A	79.170.40.242^{🇬🇧 GD-EMEA-DC-LD579.170.40.0/21 Heart Internet Limited}
	NS	`ns2.mainnameserver.com` ⭐
	NS	`ns.mainnameserver.com`
	MX	`mail.nbrook.com` ⭐
	SOA	`ns.mainnameserver.com`hostmaster@mainnameserver.com 2024-09-12 #65

Previously MX for

nbrook.com

Same first word

nullmx.org

nullmx.com

nullmx.net

Similar names

mlnxul.com

DNS History

2 records (2 active, 0 former)

●MXmail.nbrook.com2015-05-20 → 2026-03-28 · 2 obs

● 2015-05-20 07:19:24
● 2026-03-28 22:22:10

●A79.170.40.2422015-05-20 → 2026-03-28 · 2 obs

● 2015-05-20 07:19:24
● 2026-03-28 22:22:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net...	-
nbrook.com	ns.mainnameserver.com, ns2.mainnameserver.com	2 records

✅ Authoritative Response

Server:79.170.43.3

NS records: ns.mainnameserver.com, ns2.mainnameserver.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nbrook.com (unsigned zone)

⏱️ Timing

Total: 188ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`79.170.40.242`
MX	1	`mail.nbrook.com (pri: 10)`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.mainnameserver.com, ns2.mainnameserver.com)

Analysis

IP Addresses

nullmx.nbrook.com points to a single IP: 79.170.40.242.

Other host names, for instance findatakeout.com, hostmaster.signup2safety.co.uk, newvansuk.com, imagenim.com and finewinesforall.com share IP numbers with nullmx.nbrook.com.

Mail Servers

nullmx.nbrook.com is handled by a single mail server, mail.nbrook.com.

nullmx.nbrook.com uses the same mail server setup as other domains, for example nbrook.com.

mail.nbrook.com points to a single IP: 79.170.44.47.

nullmx.nbrook.com - robtex.com